Analyze the diagram below and complete the instructions that follow. find the value of x. a. 2 b. 4 c. 6 d. 8

B

Step-by-step explanation:

(x-2)^2+x^2=20

2x^2-4x+4=20

2x^2-4x-16=0

B. 4.

Step-by-step explanation:

By the Pythagoras Theorem:

(√20)^2 = x^2 + (x - 2)^2

20 = x^2 + x^2 - 4x + 4

2x^2 - 4x  - 16 = 0

x^2 - 2x - 8 = 0

(x - 4)(x + 2) = 0

x = -2, 4.

x cannot be negative so x = 4 is the answer.

hello from mrbilldoesmath!

answer:

the domain is the set { -2, 0, 2, 3}

discussion:

the domain is the set of x values in the ordered pairs (x,y). taking the x, or first component, of each ordered pair gives   -2, 0, 2, 3.

you,

mrb

30005

yes ok